#define _CRT_SECURE_NO_WARNINGS 1

#include"String.h"
using namespace std;

void test1()
{
	ynw::string s1("hello word");
	ynw::string s2();

	s1[0]++;
	s1.push_back('#');
	s1.append("ynw");

	cout << s1.c_str() << endl;


}

int main()
{
	test1();
	return 0;
}
